December 7th has been an eventful day in Minnesota's history with several notable incidents taking place over the years. Here are five interesting facts about December 7th in Minnesota history:

1. 1854: Treaty of La Pointe signed
On December 7th, 1854, representatives of the United States government and the Ojibwe tribes signed the Treaty of La Pointe. The treaty ceded a large portion of Ojibwe land in northern Wisconsin and Minnesota to the United States government in exchange for cash payments, education, and other provisions.

2. 1886: Great Blizzard of 1886
On December 7th, 1886, a severe winter storm known as the Great Blizzard of 1886 began to sweep across Minnesota. The storm brought heavy snow, high winds, and extreme cold temperatures, causing significant damage to property and disrupting transportation and communication systems across the state.

3. 1941: Minnesota National Guard Mobilized
On December 7th, 1941, the Japanese attacked Pearl Harbor, leading the United States to declare war on Japan and enter World War II. In response, the Minnesota National Guard was mobilized, with thousands of Minnesota soldiers serving in the war effort over the following years.

4. 1953: US Army Corps of Engineers Begins Building St. Anthony Falls Lock and Dam
On December 7th, 1953, the US Army Corps of Engineers began construction on the St. Anthony Falls Lock and Dam in Minneapolis. The project was aimed at improving navigation on the Mississippi River and preventing erosion around St. Anthony Falls, a key feature of the river.

5. 1972: Minnesota Votes to Ratify the Equal Rights Amendment
On December 7th, 1972, Minnesota became the 15th state to vote to ratify the Equal Rights Amendment (ERA) to the United States Constitution. The ERA aimed to guarantee equal rights for women under the law and was a major victory for the women's rights movement. However, the amendment ultimately fell short of the required number of state ratifications and was not added to the Constitution.